Benchmark: Concatenation - comparing methods

Tests:

Concatenation - template | array | join
const root = 'www.root.com' let search = 'search' let result = `${[ root, search ].join('/')}`;
Concatenation - array | join
const root = 'www.root.com' let search = 'search' let result = [ root, search ].join('/');
Concatenation - plus symbol
const root = 'www.root.com' const search = 'search' let result = root + '/' + search

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
Concatenation - template \| array \| join
Concatenation - array \| join
Concatenation - plus symbol

Fastest: N/A

Slowest: N/A

Latest run results:

Run details: (Test run date: 2 years ago)

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/117.0.0.0 Safari/537.36

Browser/OS: Chrome 117 on Windows

View result in a separate tab

Test name	Executions per second
Concatenation - template \| array \| join	16538240.0 Ops/sec
Concatenation - array \| join	13936731.0 Ops/sec
Concatenation - plus symbol	1019170048.0 Ops/sec

Autogenerated LLM Summary (model llama3.2:3b, generated one year ago):

LLMs can make mistakes. Check important info.

Let's break down the provided benchmark definition and individual test cases to understand what is being tested.

**Benchmark Definition**

The benchmark definition provides no specific information about what is being measured or compared, only that it's related to concatenation methods. However, based on the test cases, we can infer that it's comparing different approaches to concatenate strings in JavaScript.

**Individual Test Cases**

There are three individual test cases:

1. **Concatenation - template | array | join**
This test case uses a template string (introduced in ECMAScript 2015) to concatenate two values (`root` and `search`) separated by a forward slash (`/`). The `join()` method is used to concatenate the array of values.
2. **Concatenation - array | join**
This test case uses an array and the `join()` method to concatenate its elements with a separator (a single forward slash `/`).
3. **Concatenation - plus symbol**
This test case uses the `+` operator to concatenate two string literals (`root` and `search`) separated by a forward slash (`/`).

**Library**

None of the test cases use any external libraries.

**Special JS Feature/Syntax**

The only special feature used is the template string syntax introduced in ECMAScript 2015, denoted by the backtick symbol (`\`).

**What's being tested?**

Based on the test cases and benchmark definition, it appears that the following aspects are being compared:

* Different concatenation methods:
	+ Template strings with `join()`
	+ Arrays with `join()`
	+ The `+` operator
* Performance differences between these approaches

**Pros and Cons of each approach**

1. **Template Strings (Join())**
	* Pros: readable, expressive, flexible
	* Cons: may be slower than other methods for very large datasets or complex expressions
2. **Arrays with Join()**
	* Pros: efficient for large datasets, can handle complex separators
	* Cons: may require more boilerplate code for readability, less intuitive than template strings
3. **Plus Operator**
	* Pros: simple, intuitive, widely supported
	* Cons: may lead to string concatenation issues if not used carefully (e.g., with mutable objects)

**Other Alternatives**

If the benchmark is designed to compare performance or efficiency, other alternatives might include:

* Using a different separator character or encoding scheme (e.g., Unicode escape sequences)
* Using a more efficient algorithm for array concatenation (e.g., using a `Buffer` or `ArrayBuffer`)
* Using a different language or implementation (e.g., Python, Java) to compare performance differences

It's worth noting that the actual benchmark results provided in the example output do not show any significant differences between the three test cases, but this may depend on the specific use case and requirements of the project.

Related benchmarks:

Concatenation - comparing methods (version: 0)

Comparing performance of: Concatenation - template | array | join vs Concatenation - array | join vs Concatenation - plus symbol

Created: 6 years ago by: Guest

Jump to the latest result

Concatenation - template | array | join

Concatenation - array | join

Concatenation - plus symbol

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

Autogenerated LLM Summary (model llama3.2:3b, generated one year ago):